133120330 has 16 divisors (see below), whose sum is σ = 273847680. Its totient is φ = 45641232.

The previous prime is 133120321. The next prime is 133120333. The reversal of 133120330 is 33021331.

It is not an unprimeable number, because it can be changed into a prime (133120333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950790 + ... + 950929.

It is an arithmetic number, because the mean of its divisors is an integer number (17115480).

Almost surely, 2^133120330 is an apocalyptic number.

133120330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133120330 is an abundant number, since it is smaller than the sum of its proper divisors (140727350).

133120330 is a wasteful number, since it uses less digits than its factorization.

133120330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901733.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 133120330 is about 11537.7783823403. The cubic root of 133120330 is about 510.6007658288.

Adding to 133120330 its reverse (33021331), we get a palindrome (166141661).

The spelling of 133120330 in words is "one hundred thirty-three million, one hundred twenty thousand, three hundred thirty".